DESCRIPTION OF 2 NEW SPECIES OF MICROCOTI LOIDS, MONOGENEAN PARASITESIN MARINE FISH FROM THE NORTH EASTERN COST OF VENEZUELA

TWO new species monogenean, found in gills of marine fish from the nor th easter cost of Venezuela are described: Kannaphalus mochimae found in Acanturus coeruleus (Acanthuridae) and Allopyragraphorus marinae fo und in Strongylura marina (Belonidae). K. mochimae differs from K. vir ilis Unnithan, 1957 in shaped and location of the genitals and number of clamps and testis (K. mochimae posses 69 to 76 and 15 - 20 respecti vely, while K. virilis has 33 at 46 and more than 100, respectively). On the order hand, K. lateriporis Mamaev, 1988, another related specie s, has different structure and form of the vagina, asymmetrical clamps and copulatory organ displaying a short styled. K. univaginalis Ramal imgam, 1960, presents only one vaginal pore, while K, mochimae present s two pore. A. marinae differs from the other three described species of genus in body size, form of the opisthaptor, number of clamps, numb er and arrangement of testis, and shaped and arrangement of the ovary. Key to the species of the genera Kannaphalus and Allopyragraphorus ar e provided.